Results 1 to 10 of about 2,509,073 (379)

Voltage Support Scheme for Low Voltage Distribution Grids Under Voltage Sags [PDF]

open access: yes2019 IEEE Milan PowerTech, 2019
A grid-connected power electronics based distributed generator can act as an active element by providing support to the grid under various disturbances. In this paper, a voltage support scheme dedicated for distributed generators installed in the low voltage distribution network is proposed.
Charalambous, Anastasis   +2 more
openaire   +2 more sources

Secure High DER Penetration Power Distribution Via Autonomously Coordinated Volt/VAR Control [PDF]

open access: yes, 2020
Traditionally voltage control in distribution power system (DPS) is performed through voltage regulating devices (VRDs) including on load tap changers (OLTCs), step voltage regulators (SVRs), and switched capacitor banks (SCBs). The recent IEEE 1547-2018
Joseph, Anto   +2 more
core   +1 more source

Voltage Multistability and Pulse Emergency Control for Distribution System with Power Flow Reversal [PDF]

open access: yes, 2015
High levels of penetration of distributed generation and aggressive reactive power compensation may result in the reversal of power flows in future distribution grids.
Nguyen, Hung D., Turitsyn, Konstantin
core   +2 more sources

Voltage Ripple Reduction in Voltage Loop of Voltage Source Converter

open access: yesInternational Journal of Power Electronics and Drive Systems (IJPEDS), 2017
In order to achieve a good dynamical response of a full-bridge AC-DC voltage source converters (VSC). The bandwidth of PI controller must be relatively wide. This leads to the voltage ripple produced in the control signal, as known that its ripple frequency has twice of the line frequency and cause the 3rd harmonic of an input current. A Ripple Voltage
Jedsada Jaroenkiattrai, Viboon Chunkag
openaire   +2 more sources

PI-based controller for low-power distributed inverters to maximise reactive current injection while avoiding over voltage during voltage sags [PDF]

open access: yes, 2018
This paper is a postprint of a paper submitted to and accepted for publication in IET Power Electronics and is subject to Institution of Engineering and Technology Copyright.
Camacho Santiago, Antonio   +4 more
core   +2 more sources

A Breakdown Voltage Multiplier for High Voltage Swing Drivers [PDF]

open access: yes, 2007
A novel breakdown voltage (BV) multiplier is introduced that makes it possible to generate high output voltage swings using transistors with low breakdown voltages. The timing analysis of the stage is used to optimize its dynamic response.
Hajimiri, Ali, Mandegaran, Sam
core   +1 more source

Genetic voltage indicators [PDF]

open access: yesBMC Biology, 2019
AbstractAs a “holy grail” of neuroscience, optical imaging of membrane potential could enable high resolution measurements of spiking and synaptic activity in neuronal populations. This has been partly achieved using organic voltage-sensitive dyes in vitro, or in invertebrate preparations yet unspecific staining has prevented single-cell resolution ...
Victor Hugo Cornejo   +4 more
openaire   +5 more sources

Imaging Voltage in Neurons [PDF]

open access: yesNeuron, 2011
In the last decades, imaging membrane potential has become a fruitful approach to study neural circuits, especially in invertebrate preparations with large, resilient neurons. At the same time, particularly in mammalian preparations, voltage imaging methods suffer from poor signal to noise and secondary side effects, and they fall short of providing ...
Peterka, Darcy   +2 more
openaire   +4 more sources

Voltage Graphs

open access: yesDiscrete Mathematics, 1974
AbstractA possible way to obtain a complicated graph imbedding in a surface is to derive it as a covering of a simpler imbedding by assigning “voltages” to the edges of the simpler imbedding. Although this new method is but the dual of the current graph construction,it has independent importance in practical applications, illustrated here by a ...
openaire   +2 more sources

Voltage-Dependence in Thermo-Voltage Sensitive Channel TRPV1. A Delocalized Voltage Sensor? [PDF]

open access: yesBiophysical Journal, 2013
Every organism needs molecular antennae in order to sense the environmental temperature. In mammals, these antennae are a set of ion channels called thermo Transient Receptor Potential (thermoTRP). TRPV1 is a heat activated channel that belongs to TRP family, with an activation threshold around 42 °C.
Sebastian Brauchi   +4 more
openaire   +2 more sources

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